| Watertown to Kluczbork | 4,114.14 mi (6,621.07 km) |
| Watertown to Knurow | 4,160.69 mi (6,695.99 km) |
| Watertown to Kobylka | 4,167.57 mi (6,707.06 km) |
| Watertown to Kokoszki | 3,997.46 mi (6,433.29 km) |
| Watertown to Kolbuszowa | 4,270.83 mi (6,873.24 km) |
| Watertown to Kolno | 4,150.38 mi (6,679.40 km) |
| Watertown to Kolo | 4,082.73 mi (6,570.52 km) |
| Watertown to Kolobrzeg | 3,903.22 mi (6,281.63 km) |
| Watertown to Koluszki | 4,141.29 mi (6,664.77 km) |
| Watertown to Komorniki | 4,011.39 mi (6,455.70 km) |
| Watertown to Konin | 4,069.11 mi (6,548.59 km) |
| Watertown to Konskie | 4,184.68 mi (6,734.60 km) |
| Watertown to Konstancin-Jeziorna | 4,174.52 mi (6,718.24 km) |
| Watertown to Konstantynow Lodzki | 4,124.75 mi (6,638.14 km) |
| Watertown to Koronowo | 4,016.36 mi (6,463.71 km) |
